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C26000 Brass vs. C18900 Copper

Both C26000 brass and C18900 copper are copper alloys. They have 70% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C26000 brass and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.5 to 66
14 to 48
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 230 to 390
190 to 300
Tensile Strength: Ultimate (UTS), MPa 320 to 680
260 to 500
Tensile Strength: Yield (Proof), MPa 110 to 570
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 950
1080
Melting Onset (Solidus), °C 920
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
30
Electrical Conductivity: Equal Weight (Specific), % IACS 31
30

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
42
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
20 to 660
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11 to 23
8.2 to 16
Strength to Weight: Bending, points 13 to 21
10 to 16
Thermal Diffusivity, mm2/s 38
38
Thermal Shock Resistance, points 11 to 23
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Bismuth (Bi), % 0 to 0.0059
0
Copper (Cu), % 68.5 to 71.5
97.7 to 99.15
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.070
0 to 0.020
Manganese (Mn), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0.15 to 0.4
Tin (Sn), % 0
0.6 to 0.9
Zinc (Zn), % 28.1 to 31.5
0 to 0.1
Residuals, % 0
0 to 0.5

Comparable Variants